A 1.0 #regions in PPM
# low field   high field  bias        slope
  7.906633336209691  7.642712334722859  -0.0  -0.0  # for region 1
  7.615220563734647  7.483260062991231  -0.0  -0.0  # for region 2
  7.483260062991231  7.3458012080501724  -0.0  -0.0  # for region 3
  2.5127478683225513  2.4192758469626314  -0.0  -0.0  # for region 4
  2.2268334500451497  2.105869657697018  -0.0  -0.0  # for region 5
  0.3244028976608983  0.17594733432455503  -0.0  -0.0  # for region 6